Douglas León

DL

Open to opportunities

Douglas León

@douglaslen

I build Angular-driven full-stack banking and SaaS applications.

What I'm looking for

I'm looking to build maintainable frontend and full-stack applications, particularly SaaS, business management, banking, and automation products where I can apply Angular, API integration, clean architecture, and practical business workflows.

At Banco General, S.A., I design, develop, implement, and maintain software applications for internal and external banking projects. I build maintainable solutions with Angular and TypeScript across frontend, backend, database, and cloud layers.

I've worked with Node.js, Java, Python, MySQL, MongoDB, AWS, REST APIs, and clean architecture principles to align software with business requirements. I also create and execute manual and automated test cases, troubleshoot issues, and document results.

Outside my banking work, I built PetCard, a multi-tenant SaaS platform for digital veterinary records and pet health management. It includes vaccination records, reminders, PDF generation, and management capabilities for veterinary professionals using Angular, NestJS, TypeScript, Supabase/PostgreSQL, and Prisma.

I also develop SaaS concepts, CRM-style platforms, administrative dashboards, AI automation workflows, and web and mobile applications focused on reusable components, practical workflows, and API integrations.

Experience

Work history, roles, and key accomplishments

BS

Current

Full Stack Software Developer

Current

Banco General, S.A.

Feb 2023 - Present (3 years 7 months)

Participates in the design, development, implementation and maintenance of software applications for internal and external banking projects. Develops and maintains software using Angular and TypeScript with backend technologies and databases.

Angular TypeScript Java Python MySQL MongoDB AWS Clean Architecture Manual Testing Test Cases Karate Robot Framework

Education

Degrees, certifications, and relevant coursework

IP

Inter American University of Panama

Licentiate, Computer Systems

2020 -

Pursuing a Licentiate in Computer Systems with emphasis on advanced network and software systems development.

CS

Cerro Vento Bilingual School

Bachelor of Commerce, Commerce

Completed a Bilingual Bachelor of Commerce with emphasis on banking and information technologies.

Tech stack

Software and tools used professionally

MySQL

PostgreSQL

MongoDB

Node.js

NestJS

JavaScript

HTML5

Java

PHP

Prisma

Robot Framework

Supabase

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